"""
Run the following command in the shell before executing this script
export SDL_WINDOWID=`xwininfo -root|grep "id:"|sed 's/^.*id: //'|sed 's/ (.*$//'`
"""
import pygame
import sys
import random
import time

pygame.init()

window = pygame.display.set_mode((1280, 1024))
screen = pygame.display.get_surface()

while 1:
    for event in pygame.event.get():
        if event.type == pygame.QUIT: sys.exit(0)

    x = random.choice(range(640))
    y = random.choice(range(480))
    radius = random.choice(range(100))
    col_r = random.choice(range(255))
    col_g = random.choice(range(255))
    col_b = random.choice(range(255))

    time.sleep(.01)
    rect = pygame.draw.circle(screen, (col_r, col_g, col_b), (x,y), radius)
    pygame.display.update(rect)